Fair Value (Reconciliation of Recurring Fair Value Measurements) (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
|
|
|
|
| Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
7,421
|
7,555
|
7,431
|
7,448
|
| Included in Earnings |
27
|
128
|
38
|
315
|
| Included in other comprehensive income |
6
|
(6)
|
14
|
(11)
|
| Purchases |
104
|
99
|
358
|
220
|
| Sales |
(43)
|
(91)
|
(153)
|
(97)
|
| Issuances |
22
|
15
|
38
|
23
|
| Settlements |
(223)
|
(229)
|
(411)
|
(421)
|
| Transfers into Level 3 |
8
|
1
|
12
|
3
|
| Transfers out of Level 3 |
(14)
|
(6)
|
(19)
|
(14)
|
| Ending balance |
7,308
|
7,466
|
7,308
|
7,466
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
24
|
118
|
6
|
303
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
303
|
311
|
337
|
398
|
| Included in Earnings |
10
|
116
|
57
|
104
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
3
|
2
|
3
|
2
|
| Issuances |
5
|
19
|
10
|
35
|
| Settlements |
(83)
|
(62)
|
(169)
|
(153)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
238
|
386
|
238
|
386
|
| Unrealized gains/losses for the period on liabilities held on Consolidated Balance Sheet |
10
|
122
|
52
|
129
|
| Fair Value Additional Information [Abstract] |
|
|
|
|
| Net gains (losses) included in earnings (realized and unrealized) relating to Level 3 assets and liabilities |
17
|
12
|
(19)
|
211
|
| Net unrealized gains (losses) relating to Level 3 assets and liabilities |
14
|
(4)
|
(46)
|
174
|
| Fair Value, Recurring | Level 3 | Other borrowed funds |
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
13
|
9
|
10
|
9
|
| Included in Earnings |
0
|
0
|
0
|
0
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
5
|
4
|
10
|
7
|
| Settlements |
(7)
|
(4)
|
(9)
|
(7)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
11
|
9
|
11
|
9
|
| Unrealized gains/losses for the period on liabilities held on Consolidated Balance Sheet |
0
|
0
|
0
|
0
|
| Fair Value, Recurring | Level 3 | Financial derivatives |
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
161
|
113
|
150
|
152
|
| Included in Earnings |
4
|
110
|
41
|
118
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
3
|
2
|
3
|
2
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(59)
|
(42)
|
(85)
|
(89)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
109
|
183
|
109
|
183
|
| Unrealized gains/losses for the period on liabilities held on Consolidated Balance Sheet |
7
|
115
|
42
|
120
|
| Fair Value, Recurring | Level 3 | Other liabilities |
|
|
|
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
129
|
189
|
177
|
237
|
| Included in Earnings |
6
|
6
|
16
|
(14)
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
15
|
0
|
28
|
| Settlements |
(17)
|
(16)
|
(75)
|
(57)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
118
|
194
|
118
|
194
|
| Unrealized gains/losses for the period on liabilities held on Consolidated Balance Sheet |
3
|
7
|
10
|
9
|
| Loans held for sale | Fair Value, Recurring | Level 3 | Residential mortgage loans held for sale |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
104
|
98
|
68
|
103
|
| Included in Earnings |
1
|
0
|
1
|
(1)
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
32
|
12
|
73
|
14
|
| Sales |
(1)
|
(11)
|
(1)
|
(11)
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(2)
|
(2)
|
(6)
|
(4)
|
| Transfers into Level 3 |
1
|
1
|
5
|
3
|
| Transfers out of Level 3 |
(5)
|
(3)
|
(10)
|
(9)
|
| Ending balance |
130
|
95
|
130
|
95
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
1
|
(1)
|
1
|
(2)
|
| Loans held for sale | Fair Value, Recurring | Level 3 | Commercial mortgage loans held for sale |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
4
|
11
|
4
|
11
|
| Included in Earnings |
0
|
0
|
0
|
0
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(3)
|
(7)
|
(3)
|
(7)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
1
|
4
|
1
|
4
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
0
|
0
|
| Securities available-for-sale | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
841
|
924
|
853
|
956
|
| Included in Earnings |
4
|
3
|
4
|
4
|
| Included in other comprehensive income |
4
|
(6)
|
12
|
(11)
|
| Purchases |
3
|
3
|
3
|
3
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(47)
|
(47)
|
(67)
|
(75)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
805
|
877
|
805
|
877
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
(3)
|
(2)
|
| Residential mortgage- backed non-agency | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
596
|
668
|
603
|
696
|
| Included in Earnings |
3
|
3
|
5
|
6
|
| Included in other comprehensive income |
1
|
(5)
|
9
|
(11)
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(19)
|
(42)
|
(36)
|
(67)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
581
|
624
|
581
|
624
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
0
|
0
|
| Commercial mortgage- backed non-agency | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
99
|
103
|
103
|
103
|
| Included in Earnings |
0
|
0
|
(3)
|
0
|
| Included in other comprehensive income |
2
|
0
|
1
|
0
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(22)
|
0
|
(22)
|
0
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
79
|
103
|
79
|
103
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
(3)
|
0
|
| Asset-backed | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
92
|
100
|
93
|
102
|
| Included in Earnings |
0
|
0
|
1
|
0
|
| Included in other comprehensive income |
0
|
(1)
|
1
|
(1)
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(2)
|
(3)
|
(5)
|
(5)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
90
|
96
|
90
|
96
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
0
|
0
|
| Other | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
54
|
53
|
54
|
55
|
| Included in Earnings |
1
|
0
|
1
|
(2)
|
| Included in other comprehensive income |
1
|
0
|
1
|
1
|
| Purchases |
3
|
3
|
3
|
3
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(4)
|
(2)
|
(4)
|
(3)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
55
|
54
|
55
|
54
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
0
|
0
|
(2)
|
| Loans | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
663
|
713
|
670
|
726
|
| Included in Earnings |
0
|
4
|
5
|
8
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
10
|
7
|
17
|
12
|
| Sales |
(1)
|
(2)
|
(1)
|
(2)
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(19)
|
(18)
|
(38)
|
(38)
|
| Transfers into Level 3 |
7
|
0
|
7
|
0
|
| Transfers out of Level 3 |
(9)
|
(3)
|
(9)
|
(5)
|
| Ending balance |
651
|
701
|
651
|
701
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
0
|
4
|
5
|
8
|
| Equity investments | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
2,223
|
2,030
|
2,111
|
1,952
|
| Included in Earnings |
9
|
31
|
55
|
26
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
40
|
47
|
216
|
136
|
| Sales |
(40)
|
(78)
|
(150)
|
(84)
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
0
|
0
|
0
|
0
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
2,232
|
2,030
|
2,232
|
2,030
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
5
|
23
|
29
|
18
|
| Mortgage Servicing Rights | Fair Value, Recurring | Level 3 | Residential mortgage loans held for sale |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
2,523
|
2,687
|
2,626
|
2,654
|
| Included in Earnings |
(6)
|
16
|
(57)
|
88
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
0
|
16
|
1
|
29
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
7
|
7
|
14
|
12
|
| Settlements |
(67)
|
(69)
|
(127)
|
(126)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
2,457
|
2,657
|
2,457
|
2,657
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
(6)
|
16
|
(57)
|
88
|
| Mortgage Servicing Rights | Fair Value, Recurring | Level 3 | Commercial mortgage loans held for sale |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
1,041
|
1,075
|
1,085
|
1,032
|
| Included in Earnings |
13
|
65
|
11
|
172
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
18
|
12
|
45
|
24
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
15
|
8
|
24
|
11
|
| Settlements |
(77)
|
(78)
|
(155)
|
(157)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
1,010
|
1,082
|
1,010
|
1,082
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
13
|
65
|
11
|
172
|
| Financial derivatives | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
10
|
9
|
4
|
6
|
| Included in Earnings |
6
|
9
|
19
|
18
|
| Included in other comprehensive income |
0
|
0
|
0
|
0
|
| Purchases |
1
|
2
|
1
|
2
|
| Sales |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
(8)
|
(8)
|
(15)
|
(14)
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
9
|
12
|
9
|
12
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
11
|
11
|
20
|
21
|
| Other assets | Fair Value, Recurring | Level 3 |
|
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
|
| Beginning balance |
12
|
|
10
|
8
|
| Included in Earnings |
0
|
0
|
0
|
0
|
| Included in other comprehensive income |
2
|
0
|
2
|
0
|
| Purchases |
0
|
0
|
2
|
0
|
| Sales |
(1)
|
0
|
(1)
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Settlements |
0
|
0
|
0
|
0
|
| Transfers into Level 3 |
0
|
0
|
0
|
0
|
| Transfers out of Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
13
|
8
|
13
|
8
|
| Unrealized gains/losses for the period on assets held on Consolidated Balance Sheet |
$ 0
|
$ 0
|
$ 0
|
$ 0
|